| Fuel Filter 21380488 20879812 FS19920 Parameter: | |
| Part Number | 21380488 20879812 FS19920 |
| Brand | Tamfiney |
| Weight | 865 g |
| Height | 158 mm |
| Outer Diameter | 108 mm |
| Inner Diameter/ Thread Size |
1-14 UNS 3 3/4-10 UN |
| Minimum Order | 100 PCS |
| Place of Region: | Zhejiang, China |
| Payment Terms: | T/T |
| Price Terms: | FOB |
| Lead Time: | 30 to 50 days based on order quantities |
| Market Type: | After Market |
| Current Export Market: | Southeast Asian,North America, South America, Western Europe, Eastern Europe, Africa, Oceania |
Application:
RENAULT VI AE 440 DXI MAGNUMAE 460 DXI MAGNUMAE 480 DXI MAGNUMAE 500 DXI MAGNUMAE 520 DXI MAGNUMKERAX 370 DXIKERAX 410 DXiKERAX 440 DXIPREMIUM II 450.18 DPRENIUM II 410.26
VOLVO FH 12420FH 12420FH 12-420FH 12480FH 12480FH 12520FH FH II 16-600FH II 16-600FH II 16-600FH II 16-600FH II 16-600FH II 16-650
Professional Volvo 21380488 20879812 Water Separator Fuel Filter FS19920
Q: Why Do I Need to Drain Volvo Water Separator Fuel Filter Manually?
Yes, you need manual drainage, only a few high-end models support automatic drainage, and the vast majority of Volvo fuel water separators require manual operation to drain water.
Common scenarios that require manual emptying
The fuel water level indicator light and engine malfunction light on the dashboard are both on, indicating that the reservoir is full with water and must be manually drained immediately.
Even if there is no indicator light prompt, you still need to do manual emptying when the liquid level of the fuel water separator is too high or the separation effect is significantly bad.
You can check every 2000 kilometers for daily use. If you don't care a high water content, manual emptying should be perfect.
In winter, it is necessary to increase the emptying frequency appropriately to prevent moisture from freezing in the separator and affecting operation. In extreme cases, you can operate 1-2 times a day.
Q: Can I Use Aftermarket Filters?
You can use regular aftermarket filters that meet the original specifications. However, never choose inferior or mismatched aftermarket products. For more details, review the analysis below.
First, qualified aftermarket filters work well with Volvo engines. Trusted brands offer proper compatibility if their specifications align with your engine model. These filters usually cost less than original factory products. As a result, choosing reputable brands saves money without sacrificing function.
Yet, several risks arise from using poor-quality filters. Inferior products lack proper filtration and water separation. So, these filters fail to keep fuel clean. Contaminated fuel can lead to about 35% of engine failures. Quality inconsistencies often cause size or shape differences. Non-matching filters might fit poorly, resulting in leaks and ineffective filtration. Over time, the oil circuit can become blocked by dirt. Performance may drop, and key parts such as injectors or pumps can suffer serious damage.
To select safely, always prioritize famous, trustworthy brands if you have a limited budget. Verify that the filter’s filtration and separation rates match Volvo’s original standards. If you want the best performance and longer lifespan, pick the original filter. Original products offer the best fit and guarantee consistent, high-quality results.
Ultimately, smart choices protect your engine and extend its life. Regular checks and selecting certified products keep your Volvo running smoothly.
Q: How Often Should I Replace Volvo Water Separator Fuel Filter?
The replacement cycle for Volvo water separator fuel filters is divided into two scenarios, which should be adjusted based on fuel quality and usage conditions
If it is a standard fuel filter (without fuel water separation function):
The industry standard recommendation is to replace it every 30,000 kilometers; Volvo officially suggests replacing it after 20,000 kilometers of driving, and if fuel impurities are high, the interval can be shortened to 20,000 kilometers.
When it is a fuel filter with fuel water separation function (i.e., a fuel water separator filter):
The industry standard recommendation is to replace it every 10,000 kilometers driven, typically in sync with the oil and oil filter change.
But if the vehicle frequently uses low-quality fuel or operates in harsh environments such as dusty or humid conditions, the replacement interval should be shortened. For vehicles using high-quality clean fuel, the interval can be appropriately extended to 15,000-20,000 kilometers.
The replacement cycle is not fixed and should primarily be determined by the requirements specified in your Volvo vehicle's owner manual. Regularly monitor for abnormal performance such as reduced engine power or increased fuel consumption, and promptly inspect and replace if issues arise.
